[pve-devel] [PATCH 3/3] add downtime && expected_downtime query-migrate info

[Stefan Priebe]

Hi,

Am 27.12.2012 16:21, schrieb Alexandre DERUMIER:
> But if it's work fine for you with 1s migrate_downtime, we need to find where the problem is in the current qemu 1.3 code ... (maybe qemu mailing can help)
To my last mails nobody answered...

Stefan


> ----- Mail original -----
>
> De: "Stefan Priebe" <s.priebe at profihost.ag>
> À: "Alexandre DERUMIER" <aderumier at odiso.com>
> Cc: pve-devel at pve.proxmox.com, "Dietmar Maurer" <dietmar at proxmox.com>
> Envoyé: Jeudi 27 Décembre 2012 15:19:41
> Objet: Re: [pve-devel] [PATCH 3/3] add downtime && expected_downtime query-migrate info
>
> Strangely the status of the VM is always paused after migration.
>
> Stefan
> Am 27.12.2012 15:18, schrieb Stefan Priebe:
>> Hi,
>>
>> have now done the same.
>>
>> With current git qemu migration is really fast using 1,6GB memory:
>> Dec 27 15:17:45 starting migration of VM 105 to node 'cloud1-1202'
>> (10.255.0.20)
>> Dec 27 15:17:45 copying disk images
>> Dec 27 15:17:45 starting VM 105 on remote node 'cloud1-1202'
>> Dec 27 15:17:48 starting online/live migration on tcp:10.255.0.20:60000
>> Dec 27 15:17:48 migrate_set_speed: 8589934592
>> Dec 27 15:17:48 migrate_set_downtime: 0.05
>> Dec 27 15:17:52 migration speed: 512.00 MB/s - downtime 174 ms
>> Dec 27 15:17:52 migration status: completed
>> Dec 27 15:17:53 migration finished successfuly (duration 00:00:09)
>> TASK OK
>>
>> It's so fast that i can't check if i see that's while migrating.
>>
>> Greets,
>> Stefan
>>
>> Am 27.12.2012 14:26, schrieb Alexandre DERUMIER:
>>>>> The problem is the LATEST git qemu code they've changed a LOT of
>>>>> include
>>>>> file locations so nearly NO PVE patch applies...
>>>
>>> I'm currently building a pve-qemu-kvm on qemu 1.4, with basics patches
>>>
>>> fr-ca-keymap-corrections.diff
>>> fairsched.diff
>>> pve-auth.patch
>>> vencrypt-auth-plain.patch
>>> enable-kvm-by-default.patch
>>>
>>> should be enough to connect with vnc and test migration
>>>
>>> I'll keep in touch
>>>
>>>
>>>
>>> ----- Mail original -----
>>>
>>> De: "Stefan Priebe" <s.priebe at profihost.ag>
>>> À: "Alexandre DERUMIER" <aderumier at odiso.com>
>>> Cc: pve-devel at pve.proxmox.com, "Dietmar Maurer" <dietmar at proxmox.com>
>>> Envoyé: Jeudi 27 Décembre 2012 13:40:24
>>> Objet: Re: [pve-devel] [PATCH 3/3] add downtime && expected_downtime
>>> query-migrate info
>>>
>>> Hi,
>>> Am 27.12.2012 13:39, schrieb Alexandre DERUMIER:
>>>>>> not right now - but i tested this yesterday and didn't saw a
>>>>>> difference
>>>>>> so i moved again to 3.6.11.
>>>> It'll do test with a 3.6 kernel too, to see if I have a difference
>>>
>>> Thanks! Will retest with pve kernel too.
>>>
>>>> Do you have tried with last qemu 1.4 git ?
>>>> Because I'm looking into the code, and the change in migration code
>>>> is really huge.
>>>> So we could known if it's a qemu migration code problem or not...
>>>
>>> The problem is the LATEST git qemu code they've changed a LOT of include
>>> file locations so nearly NO PVE patch applies...
>>>
>>> Stefan
>>>